The study draws on a wide body of data and information collected from five separate internet survey samples over 12 years, covering 1.5 million individuals across the 48 contiguous states. The primary objective of the study, according to the researchers, was to map the "psychological topography of the United States," composed of "geographically coherent psychological regions." To do so, they used a statistical technique known as "cluster analysis" to examine how five major personality traits &#8211; openness, conscientiousness, extroversion, agreeableness and neuroticism &#8211; are distributed and cluster across American states and regions.

The study identifies three main regional types: friendly and conventional, relaxed and creative, and temperamental and uninhibited. The maps below, from the study, show how these line up across America's states.

Isn't this "Big Five" personality traits instead of Myers-Briggs? Either way, birds of a feather do flock together...and crazy seems to attract crazy

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Yes, it's the Big Five (OCEAN). I don't know if the error was Florida's or whoever came up with the title, but while there are some correlations between the two, they are not the same.

The "which state you belong in" test is apparently based on a few items from the big five inventory.

I looked over the JPSP article presenting the actual research. They had two samples in which participants did the big five, two that did a ten-item version with sometimes iffy reliability (this may be the same test used in the "which state" test?), and one that completed a different measure. It's really not my field of expertise so I can't comment on the research itself, but I was surprised that the authors did not discuss possible limitations of their work.

Utah - which is kind of funny, because when we went to Utah for Adult Nationals a few years ago, I remarked to my Mom that I could see myself living in Salt Lake City if I ever wanted to get out of Michigan.